车顶发电器

Steelmaking method for reducing comprehensive lime consumption through converter rapid slagging under high iron consumption

The invention discloses a steelmaking method capable of rapidly slagging in a converter and reducing comprehensive lime consumption under high iron consumption, belongs to the technical field of converter steelmaking, and solves the technical problems of realizing converter less-slag smelting and improving the cleanliness level of molten steel under the condition of high iron consumption. The steelmaking method comprises the following steps that S1, slag splashing furnace protection is conducted; s2, limestone and sintered ore are added to serve as grate-layer materials; s3, molten iron and scrap steel are mixed into the converter; s4, when BT is larger than or equal to 0 min and smaller than or equal to 6 min through blowing, lime, sintered ore and magnesium balls are added in batches; s5, when BT is larger than 6 min and smaller than or equal to 10 min through blowing, sinter is added to control the temperature of molten steel; s6, when blowing for 10 minutes and below BT, adding sintered ...

Oxygen lance nozzle for converter oxygen supply smelting and oxygen supply method

The invention discloses an oxygen lance nozzle for converter oxygen supply smelting and an oxygen supply method, belongs to the field of ferrous metallurgy, and solves the problems of splashing, drying and process control in the converter smelting process after the oxygen supply intensity is improved in the prior art. The oxygen lance spray head comprises a spray head body, a main injection hole and an auxiliary injection hole, wherein the main injection hole and the auxiliary injection hole are formed in the spray head body, and the main injection hole and the auxiliary injection hole are different in hole diameter, design pressure and throat Mach number. In the method, converter smelting is in a silicon-oxygen oxidation stage, a first carbon-oxygen reaction stage, a second carbon-oxygen reaction stage and a third carbon-oxygen reaction stage, a main injection hole is in a normal working state, and an auxiliary injection hole is in an abnormal working state; the converter smelting is in ...

Plasma anti-thunder system and anti-thunder method

The invention discloses a plasma lightning protection system and relates to the technical field of lightning protection, a horizontal adjusting mechanism is arranged between a first connecting plate and a second connecting plate so that a plasma lightning arrester can be kept horizontal during installation, and a fourth connecting plate and the second connecting plate are arranged at the upper end and the lower end of the horizontal adjusting mechanism respectively. The invention further discloses a plasma lightning protection method which comprises the following steps: step 1, adjusting the horizontal position of the fourth connecting plate through the horizontal adjusting mechanism, then mounting the third connecting plate on the fourth connecting plate through the locking device, and mounting the third connecting plate on the first connecting plate through the locking device, so that the plasma lightning protection device is kept horizontal; and by arranging the horizontal adjusting ...